Hudson Bay Capital Management
MIAX

Hudson Bay Capital Management’s Miami International Holdings MIAX Stock Holding History

Hudson Bay Capital Management’s Portfolio MIAX Stock Details MIAX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$7.07M Buy
190,223
+160,587
+542% +$7.18M 0.02% 460
2026
Q1 		$1.15M Sell
29,636
-71,916
-71% -$2.96M ﹤0.01% 859
2025
Q4 		$4.51M Buy
101,552
+60,407
+147% +$2.69M 0.01% 530
2025
Q3 		$1.66M Buy
+41,145
New +$1.51M 0.01% 782

Other funds holding MIAX

HKAM
Horizon Kinetics Asset Management New York $8.82B AUM 23.05% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
JD6
J Digital 6 Chicago, Illinois $169M AUM 111.5% 1-Year Est. Return
William Blair & Company
William Blair & Company Chicago, Illinois $38.4B AUM 25.71% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return

Hudson Bay Capital Management's MIAX Position: Q2 2026 in Review

Hudson Bay Capital Management increased its Miami International Holdings (MIAX) stake by 542% in Q2 2026, buying an estimated $7.18M and bringing the position to 190,223 shares worth $7.07M. The position accounts for 0.02% of the portfolio, ranked #460.

Hudson Bay Capital Management first reported a position in MIAX in Q3 2025 and has held it in 4 quarters since. 206 funds tracked by Wall St. Rank hold MIAX as of Q2 2026.

  • Hudson Bay Capital Management held 190,223 shares of Miami International Holdings worth $7.07M as of Q2 2026.
  • Hudson Bay Capital Management bought 160,587 Miami International Holdings shares in Q2 2026, an estimated $7.18M.
  • Miami International Holdings made up 0.02% of Hudson Bay Capital Management's portfolio in Q2 2026, its #460 holding.
  • Hudson Bay Capital Management first reported a position in Miami International Holdings in Q3 2025 and has held it in 4 quarters since.
  • 206 funds tracked by Wall St. Rank held Miami International Holdings as of Q2 2026.

Based on Hudson Bay Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.